Finding the Fourth Proportional to 836,563.21, 1,154,456.35 and 454,589.08
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Solution
The fourth proportional to 836,563.21, 1,154,456.35 and 454,589.08 is: 627,332.45
Step by Step Solution
- Step 1: Write the proportion equation
836,563.21 : 1,154,456.35 = 454,589.08 : x - Step 2: Convert to fraction form
836,563.21/1,154,456.35 = 454,589.08/x - Step 3: Cross multiply
836,563.21x = 1,154,456.35 × 454,589.08 - Step 4: Simplify right side
836,563.21x = 524,803,250,046.66 - Step 5: Solve for x
x = 524,803,250,046.66/836,563.21 - Step 6: Final answer
x = 627,332.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.